1010221211 has 8 divisors (see below), whose sum is σ = 1043174400. Its totient is φ = 977290920.

The previous prime is 1010221189. The next prime is 1010221229. The reversal of 1010221211 is 1121220101.

1010221211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010221211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010221192 and 1010221201.

It is not an unprimeable number, because it can be changed into a prime (1010224211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171920 + ... + 177698.

It is an arithmetic number, because the mean of its divisors is an integer number (130396800).

Almost surely, 2^1010221211 is an apocalyptic number.

1010221211 is a deficient number, since it is larger than the sum of its proper divisors (32953189).

1010221211 is an equidigital number, since it uses as much as digits as its factorization.

1010221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1010221211 is about 31783.9772684288. The cubic root of 1010221211 is about 1003.3955276754.

Adding to 1010221211 its reverse (1121220101), we get a palindrome (2131441312).

It can be divided in two parts, 10102 and 21211, that added together give a palindrome (31313).

The spelling of 1010221211 in words is "one billion, ten million, two hundred twenty-one thousand, two hundred eleven".